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70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/* ----------------------------------------------------------------------------
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Copyright (c) 2018-2020, Microsoft Research, Daan Leijen
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This is free software; you can redistribute it and/or modify it under the
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terms of the MIT license. A copy of the license can be found in the file
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"LICENSE" at the root of this distribution.
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-----------------------------------------------------------------------------*/
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/* test file for valgrind support.
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Compile in an "out/debug" folder:
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> cd out/debug
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> cmake ../.. -DMI_VALGRIND=1
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> make -j8
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and then compile this file as:
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> gcc -g -o test-wrong -I../../include ../../test/test-wrong.c libmimalloc-valgrind-debug.a -lpthread
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and test as:
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> valgrind ./test-wrong
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "mimalloc.h"
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#ifdef USE_STD_MALLOC
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# define mi(x) x
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#else
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# define mi(x) mi_##x
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#endif
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int main(int argc, char** argv) {
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int* p = (int*)mi(malloc)(3*sizeof(int));
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int* r = (int*)mi_malloc_aligned(8,16);
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mi_free(r);
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// illegal byte wise read
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char* c = (char*)mi(malloc)(3);
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printf("invalid byte: over: %d, under: %d\n", c[4], c[-1]);
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mi(free)(c);
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// undefined access
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int* q = (int*)mi(malloc)(sizeof(int));
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printf("undefined: %d\n", *q);
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// illegal int read
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printf("invalid: over: %d, under: %d\n", q[1], q[-1]);
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*q = 42;
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// buffer overflow
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q[1] = 43;
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// buffer underflow
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q[-1] = 44;
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mi(free)(q);
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// double free
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mi(free)(q);
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// use after free
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printf("use-after-free: %d\n", *q);
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// leak p
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// mi_free(p)
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return 0;
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} |